Physics - Semiconductors Question with Solution | TestHub
PhysicsSemiconductorsPN junctionEasy2 minPYQ_2022
PhysicsEasysingle choice
Identify the devices which work on solar energy. (a) Photodiode (b) Photovoltaic cell. (c) LED (d) Photo thermal devices.
Options:
Answer:
B
Solution:
Concept based. Photovoltaic cells produce electrical energy by absorbing solar energy. Same is true for photo-thermal devices. Photodiode produce electrical signal by absorbing photon's and LED's use electric energy to produce photons.
Stream:MHT_CETSubject:PhysicsTopic:SemiconductorsSubtopic:PN junction
⏱ 2mℹ️ Source: PYQ_2022
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